Pronunciation: /ˈæk.tɪv mæs/
noun the physical matter or substance that is actively involved in a chemical reaction or process
A1 The active mass of the team is always ready to participate in activities.
A2 Regular exercise helps maintain an active mass of muscles.
B1 The active mass of voters turned out for the election rally.
B2 The company's active mass of employees contributes to its success.
C1 The active mass of protesters gathered in the square demanding change.
C2 The active mass of shareholders pushed for a change in company leadership.
formal The active mass of the solution was carefully measured in the laboratory.
informal They checked the active mass of the mixture before proceeding with the experiment.
slang I have no idea what the active mass of this stuff is, but let's just go for it.
figurative The active mass of support for the new policy is growing among the members of the committee.
activated
active masses
more active
most active
activates
will activate
has activated
is activating
active mass
active
to activate
activating
activated